77506845034 has 8 divisors (see below), whose sum is σ = 116364353508. Its totient is φ = 38718727200.

The previous prime is 77506845029. The next prime is 77506845047. The reversal of 77506845034 is 43054860577.

It can be written as a sum of positive squares in 2 ways, for example, as 66587222025 + 10919623009 = 258045^2 + 104497^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×77506845034² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17344867 + ... + 17349334.

Almost surely, 2^77506845034 is an apocalyptic number.

77506845034 is a deficient number, since it is larger than the sum of its proper divisors (38857508474).

77506845034 is a wasteful number, since it uses less digits than its factorization.

77506845034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34695320.

The product of its (nonzero) digits is 2822400, while the sum is 49.

The spelling of 77506845034 in words is "seventy-seven billion, five hundred six million, eight hundred forty-five thousand, thirty-four".